Motorola Original NNTN4185A: NOTE: Earpiece devices are not returnable; research this device before purchase. CommPort integrated system contains a miniature microphone and receiver and connects to your two-way radio making it possible to hear and speak under the most adverse conditions. Flower style ear-tube inserts to ear canal. Microphone is located on top of earpiece. 2 clips: 1 on interface another clothing clip closer to earpiece to prevent pull away. This stock # comes with Body PTT (push to talk): The Body PTT switch is the round type that you press against body to talk.